import java.util.Scanner;

// 注意类名必须为 Main, 不要有任何 package xxx 信息
public class Main {
    Scanner in = new Scanner(System.in);
    public static void main(String[] args) {
        Scanner in = new Scanner(System.in);
        // 注意 hasNext 和 hasNextLine 的区别
        while (in.hasNextInt()) { // 注意 while 处理多个 case
            int input = in.nextInt();
            for (int i = 0;i < input;i++){
                for (int j =0;j < input;j++){
                    if((i == j)||(j == (input - 1 - i))){
                        System.out.print("*");
                    }else{
                        System.out.print(" ");
                    }
                }
                System.out.print("\n");
            }
        }
    }
}